CN1921043A - Switching device - Google Patents

Switching device Download PDF

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Publication number
CN1921043A
CN1921043A CNA2005100927672A CN200510092767A CN1921043A CN 1921043 A CN1921043 A CN 1921043A CN A2005100927672 A CNA2005100927672 A CN A2005100927672A CN 200510092767 A CN200510092767 A CN 200510092767A CN 1921043 A CN1921043 A CN 1921043A
Authority
CN
China
Prior art keywords
handle
switching device
gear
master gear
mode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CNA2005100927672A
Other languages
Chinese (zh)
Other versions
CN1921043B (en
Inventor
刘振忠
萨旺特·普拉文
比扎德·伯纳德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schneider Electric SE
Schneider Electric Industries SAS
Original Assignee
Schneider Electric SE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to CN2005100927672A priority Critical patent/CN1921043B/en
Application filed by Schneider Electric SE filed Critical Schneider Electric SE
Priority to EP06762137A priority patent/EP1917669B1/en
Priority to PCT/EP2006/006005 priority patent/WO2007022820A1/en
Priority to US11/988,877 priority patent/US7838786B2/en
Priority to BRPI0614877-8A priority patent/BRPI0614877B1/en
Priority to KR1020087003492A priority patent/KR100965447B1/en
Priority to AT06762137T priority patent/ATE519210T1/en
Priority to JP2008527322A priority patent/JP4980352B2/en
Priority to MX2008000854A priority patent/MX2008000854A/en
Publication of CN1921043A publication Critical patent/CN1921043A/en
Application granted granted Critical
Publication of CN1921043B publication Critical patent/CN1921043B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/227—Interlocked hand- and power-operating mechanisms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/54—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/032—Anti-tamper
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/038—Anti-vandalism
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
    • H01H2300/018—Application transfer; between utility and emergency power supply

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Operated Clutches (AREA)
  • Mechanical Control Devices (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Gear Transmission (AREA)

Abstract

The invention relates to a switch device, with frame, operation handle, and transmitter. Wherein, the frame has round groove at the operation surface; the operation handle is inside the groove; the operation handle can move the lower position relative to the automatic mode to the higher position relative to the hand-operated mode; the handle can rotate in the groove at two positions; the transmitter comprises main gear, clutch gear connected to the motor and the switch gear connected to the main gear; the main gear, clutch gear, and handle form clutch; therefore, in automatic mode, the main gear is meshed with clutch gear, and in hand-operated mode, the main gear is detached from the clutch gear, to avoid affecting motor when rotating the handle.

Description

Switching device
Technical field
The present invention relates to a kind of switching device, especially a kind of switching device that is used among the ATSE (automatic transfer switching electric appliance) with two kinds of operator schemes.
Background technology
Switching device is widely used in many fields, for example power supply in emergency circumstances.Under the situation that occurs power failure suddenly, typically the starting switch device is transformed into power line on the back-up source from normal power source, for example independent generator.Most of switching devices can be worked under two kinds of patterns, promptly automatically with manual, to finish switching motion.
With reference to figure 9 to Figure 11, a kind of switching device of the routine of using is shown in ATSE.Fig. 9 is the top view of this ordinary tap device under manual mode, and Figure 10,11 illustrates this ordinary tap device respectively under automatic mode and the schematic cross sectional views under the manual mode.The clutch gear 12 that this ordinary tap device 1 has frame 10, handle 11, driven by the motor (not shown), and switch gear 13.Frame 10 has circular recess 14 on its operating surface, and back shaft 15, and described handle can rotate around this back shaft.
As shown in figure 10, under automatic mode, handle 11 is at lower position.According to the automatic operation signal of receiving, motor driven clutch gear 12 rotates.Clutch gear 12 driving switch gears 13 are to finish the switching motion that switch module such as on-load switch is transformed into the another location then, and handle also is driven and rotates simultaneously.Usually have mark on the handle 11, it can indicate the amount of rotation in the mark combination on the operating surface of frame 10.Three marks are for example arranged on the operating surface of frame 10, demonstrate off-position, " power supply commonly used " position and " stand-by power supply " position.
As shown in figure 11, under manual mode, lift handle 11.The operator can turning handle 11, and the power that applies of operator is sent to switch gear 13 by clutch gear 12 then.As under automatic mode, demonstrate the angle of rotation by means of the mark on handle 11 and operating surface, can correctly finish transfer process like this, for example power line is transformed into normal power source or back-up source.
Yet in the prior art, even under manual mode, handle 11 also is connected with clutch gear 12.Because motor is connected with clutch gear 12, need extra power to come rotation motor.Even when the power supply of motor is cut off, needed power is still quite big.For making under automatic mode operation easier, this switching device uses assist handle, and it can be enclosed within on the operating grip 11 and bigger moment of torsion is provided.But assist handle is an independent assembly thereby is easy to lose.Except this shortcoming, prior art also has a more serious defective.Under manual mode, because possible misoperation, motor may still be powered also even receive wrong operational order, and manual operation may cause damage and other safety problems of motor.
Summary of the invention
An object of the present invention is to provide a kind of switching device that can operate under automatic mode and manual mode, its operation under manual mode is safer.
Switching device according to the present invention comprises that frame has circular recess on its operating surface; Be arranged on the operating grip in this circular recess, can operate described handle and change to the higher position of corresponding manual mode, and this handle all can rotate in described circular recess on these two positions from the lower position of corresponding automatic mode; And being arranged on transmission mechanism in the frame, described transmission mechanism comprises master gear, the clutch gear that is connected with motor, and the switch gear that is connected with master gear.This master gear, clutch gear and handle constitute arrangement of clutch, thus master gear master gear and clutch gear disengaging under manual mode under automatic mode with the clutch gear engagement.
Compared with prior art, switching device according to the present invention is safer when manual operation.Because under manual mode, motor and master gear break away from, and the rotation of operating grip can not influence each other with motor.Manual operation can not influence/be affected the motion of motor like this.Even for example send under the situation that drives order to motor in the generation misoperation, this manual operation also can be avoided possible conflict and the infringement that causes.
Description of drawings
Fig. 1 illustrates the top view of switching device according to the present invention under automatic mode;
Fig. 2 is similar to Fig. 1, except this switching device according to the present invention is under manual mode;
Fig. 3 illustrates along A-A line among Fig. 1 at the cutaway view of the position of engagement;
Fig. 4 illustrates along A-A line among Fig. 2 at the cutaway view of throw-out-of clutch position;
Fig. 5 illustrates the cutaway view of handle when the extension handle is in the handle that has extension assembly and pin assembly;
Fig. 6 illustrates among Fig. 5 another cutaway view of handle when extending handle and extract out fully;
Fig. 7 illustrates the cutaway view according to another structure of the arrangement of clutch of switching device of the present invention;
Fig. 8 illustrates the cutaway view according to the another structure of the arrangement of clutch of switching device of the present invention;
Fig. 9 illustrates the top view of ordinary tap device under manual mode;
Figure 10 illustrates the schematic cross sectional views of ordinary tap device under automatic mode; And
Figure 11 is similar to FIG. 10, except the ordinary tap device is under manual mode.
Embodiment
Referring to figs. 1 to Fig. 4, switching device according to an embodiment of the invention is shown.Fig. 1 and Fig. 2 illustrate the top view of this switching device under automatic mode and manual mode respectively.Fig. 3 and Fig. 4 are illustrated among Fig. 1 and Fig. 2 the cutaway view along the A-A line respectively.Switching device 200 comprises that frame 21 has circular recess 211 on its operating surface; Be arranged on the operating grip 230 in this groove; And transmission mechanism, it comprises the master gear 240 that is connected with handle 230, the clutch gear 250 that is connected with the motor (not shown), and the switch gear 260 that is connected with master gear 240.Handle 230 can rotate around its center of circle in circular recess 260, and the part of handle 230 forms cam 231.Thereby back shaft 212 is fixed on the frame 210 and passes handle 230 handles 230 and can rotate around back shaft 212.
With reference to figure 1 and Fig. 3, under automatic mode, handle 230 is at lower position, and whole handle can not given prominence to from circular recess 211.Cam 231 overcomes spring force compressing master gear 240 to lower position, and master gear 240 also can be driven by it with clutch gear 250 engagements there.In the present embodiment, master gear 240 has plurality of teeth at its underpart inner surface, and its tooth with the outer surface of clutch gear 250 matches and forms the internal gear transmission.
When apply voltage on motor, revolution also drives clutch gear 250 rotations.Because master gear 240 and clutch gear 250 engagements, master gear 240 also is driven and rotates.This makes switch gear 260 rotate, and finishes the switching motion that switch module such as on-load switch is transformed into the another location.Simultaneously, handle 230 rotates and indicates by mark thereon the angle of rotation.
With reference to figure 2 and Fig. 4, under manual mode, handle 230 is in the higher position, and handle projects upwards from circular recess 211 and forms the right angle with operating surface.In the present embodiment, for realizing this change, the operator at first by the avette recess 232 on handle 230 to produce slight rotation, by means of the depressed part 233 on handle 230 1 sides handle 230 is lifted to vertical position then.When handle 230 rotated, cam 231 also rotated, and the contact point between cam 231 and master gear 240 is upwards retreating upward.Master gear 240 is pushed/pulls to higher position by the spring (not shown) like this, thereby master gear 240 breaks away from clutch gear 250.
After handle 230 was lifted, available hand rotated its center of circle around circular recess 211.Because master gear 240 is connected with handle 230, master gear 240 is driven and also rotates.This makes switch gear 260 rotate and finish switching motion.Mark on handle 230 and operating surface can indicate the anglec of rotation, can finish the rotation of wanting like this.
In the present embodiment, handle 230, master gear 240 and clutch gear 250 form arrangement of clutch together with spring.This arrangement of clutch is implemented in joint and disengaging between master gear 240 and the clutch gear 250 by means of cam 31 and spring.Under manual mode, because clutch gear 250 no longer is connected to handle 230 by master gear 240, the manual operation easier motor that can't influence/be affected that becomes.Therefore, this switching device has better fail safe under manual mode.
With reference to figure 5 and Fig. 6, be the cutaway view of the amplification of the two states of operating grip when manual operation.Operating grip 230 comprises extension assembly 234, and it can be inserted in the groove (not indicating) and pull out from this groove under manual mode.When from this groove, pulling out extension assembly, bigger moment of torsion can be provided and make manual operation easier.When switching device uses with some specific switch modules such as on-load switch, because will be transformed into the power that the another location on-load switch need be bigger than circuit breaker, so if provide the same arm of force, its manual operation needs bigger power.Therefore extension assembly 234 is especially useful when whole device uses with on-load switch.Optionally, extension assembly can be a foldable structure, and it can launch under manual mode.
With reference to figure 5 and Fig. 6, handle 230 also comprises pinning assembly 235 again, and it can be inserted in the same groove and pull out from groove under manual mode.This pinning assembly 235 has and the restriction projection 2341 corresponding limiting grooves 2351 that are formed on the extension assembly 234.As shown in Figure 5, in the time will pinning assembly and from groove, pull out a suitable length, be formed on the pinning hole 2352 of pinning on the assembly 235 and arrive same position with the lockhole 236 of handle 230.Can use the lock (not shown) will pin assembly 235 and be locked on the handle 230, because the existence of limiting groove 2351 and restriction projection 2341, extension assembly 234 can't be drawn out.Realization is when pinning the function that can not extract extension assembly when assembly inserts like this.In contrast, needing under the situation of high pulling torque, pinning assembly 235 and can in groove, move, and can as shown in Figure 6 extension assembly 234 be pulled out.
As the switching device 10 of prior art, switching device 200 also can be used among the ATSE.Three marks " pass ", " normally " and " reserve " can be set to indicate three kinds of on off states on operating surface, promptly close, be connected to normal power source and be connected to back-up source.May require in some cases switching device is pinned in a certain state, for example closed condition.In the present embodiment, pinning assembly 235 cooperates so that such function to be provided with the groove 213 (with reference to figure 1 and Fig. 2) that is formed on the frame 210.As shown in Figure 2, when handle 230 is rotated off-position, pinning assembly 235 can be drawn out and be partially embedded in the groove 213.Owing to pin the existence of hole 2352 and lockhole 236, can be locked on the handle 230 to forbid handle 230 rotations then pinning assembly 235.Optionally, pin assembly 235 and can use another to pin hole rather than pinning hole 2352, and also can on frame 210, be provided for the groove of other positions as " normally " and " reserve " position.
In order to make switching device 200 safer under manual operation, provide a cut-out switch (not shown) that is used to cut off the electric power of motor.This cut-out switch can be connected on cam 231 or the master gear 240, and it is closed when handle 230 is lifted around back shaft 212 rotations.Therefore, even send automatic operational order as misoperation to motor, motor can not received this signal yet.
In the above-described embodiments, handle 230 changes to the higher position by rotatablely moving from lower position, and master gear 240 is correspondingly moved by cam 231 and spring action.Handle 230, master gear 240 and clutch gear 250 constitute arrangement of clutch like this.Certainly, exist other modes form with described arrangement of clutch function on arrangement of clutch of equal value, provide the another kind of possible structure of arrangement of clutch below.
With reference to figure 7, operating grip 330 can move up and down as piston in the circular recess 311 of frame 310.The master gear 340 that is used for driving switch gear 360 is fixed on the handle 330 and forms the structure of one, thereby the motion of master gear 340 is consistent with the motion of handle 330.Clutch gear 360 be arranged on master gear 340 below, handle 330, master gear 340 and clutch gear 350 constitute arrangement of clutch like this.A detachable or non-removable operating assembly 332 is arranged in the cylindrical groove 331 of handle 330.This operating assembly 332 is used for handle 330 and master gear 340 are pulled to higher position, i.e. the manual operation position.Similar to extension assembly 234, operating assembly 332 can be pulled out from groove so that bigger moment to be provided.Optionally, operating grip 330 can form solid and not have groove in inside, but still has the protuberance of similar operations assembly.Because wishing handle 330 is when lower position is automatic operating position under the operating surface horizontal plane, circular recess 311 may be than darker to the circular recess shown in Fig. 6 at Fig. 1.
With reference to figure 8, the another kind of structure of the arrangement of clutch of being made up of master gear and clutch gear is shown.Master gear 440 can move both vertically in frame 410 and promote clutch gear 450 downwards.Owing to the rolling bearing 470 that is arranged on therebetween, master gear 440 and clutch gear 450 all can and be independent of each other each other around axle O rotation.Under automatic mode, clutch gear 450 engages with two switch gears 460 and can drive them.Can use operating grip 430 that master gear 440 and clutch gear 450 are depressed into lower position, thereby master gear 440 replace clutch gear 450 to come driving switch gear 460.The bottom of operating grip 430 can be inserted in the groove in master gear 440 and with this groove and cooperate, and by rotating operation handle 430, master gear 440 is rotated around axle O like this.Under automatic mode, because master gear 440 is not driven by clutch gear 450, may need an indication component that is connected to switch gear 460 to demonstrate current state, resemble the mark of aforesaid switching device.
Can be modified in switching device shown in Figure 8.For example master gear can have along the through hole of axle O, and operating grip can directly be oppressed clutch gear and it is pushed into lower position.Such structure does not relate to master gear motion in vertical direction.Therefore need to arrange master gear under automatic mode and manual mode, all to combine with switch gear.
Here introduce another kind of change, it may be conceptive simpler but structurally more complicated.This time master gear and clutch gear all can not move along axle O.Be implemented between switch gear and the clutch gear is moving of switch gear from the conversion that is engaged to disengaging.Because the quantity of switch gear is usually greater than one, this structure may be more complicated.
In actual applications, may need idle pulley to be arranged between switch gear and the clutch gear as intermediate drive gear.
Provide foregoing description and accompanying drawing, it is clear that notion of the present invention has become.Promptly under automatic mode automatically operating unit be clutch gear, with switching mechanism be the switch gear engagement; Under manual mode, break away between them.During switching device is transformed into manual mode from automatic mode, at least automatically operating unit and switching mechanism one of them move and produce described disengaging.Using the manual operation unit then is the combination of operating grip and master gear, comes driving switch mechanism.Be appreciated that master gear is the common unit of automatic operating unit and manual operation unit when adopting as the structure in Fig. 1 to Fig. 4.In this embodiment, master gear and handle constitute the manual operation unit, and master gear forms automatic operating unit in conjunction with clutch gear simultaneously.
The contact preferred embodiment has illustrated and has described principle of the present invention, is understood that this embodiment is for exemplary nonrestrictive.

Claims (19)

1. the switching device that can operate under automatic mode and manual mode comprises:
Frame has circular recess on its operating surface,
Be arranged on the operating grip in this groove, described handle is operable as the second place that changes to corresponding manual mode from the primary importance of corresponding automatic mode,
Be arranged on the transmission mechanism in the frame, described transmission mechanism comprises the master gear that is connected to handle, the clutch gear that is connected to a motor, and is connected to the switch gear of master gear, and described switch gear has at least two position of the switch,
Wherein, master gear, clutch gear and handle are configured to and make that master gear engages with clutch gear and master gear and clutch gear disengaging under manual mode under automatic mode.
2. switching device as claimed in claim 1 also comprises the back shaft that is fixed on the frame, and described handle rotates to the second place around this axle from primary importance.
3. switching device as claimed in claim 2, wherein handle also comprises the cam that is pressed on the master gear, when handle when back shaft rotates, force the master gear vertical moving by cam.
4. switching device as claimed in claim 3 also comprises being used for the bias unit of master gear to the handle orientations biasing.
5. switching device as claimed in claim 4, wherein operating grip also comprises the extension assembly that is used for increasing moment of torsion under manual mode.
6. switching device as claimed in claim 5, wherein this extension assembly is included in the groove of handle, and can pull out under automatic mode.
7. switching device as claimed in claim 6 also comprises the pinning assembly, and it can be lockable and forbid that operating grip rotates under automatic mode in circular recess when handle correspondence ad-hoc location.
8. switching device as claimed in claim 1, wherein handle can be in circular recess vertical moving.
9. switching device as claimed in claim 8, wherein handle and master gear form the structure of one.
10. switching device as claimed in claim 1, wherein operating grip also comprises the extension assembly that is used for increasing moment of torsion under manual mode.
11. switching device as claimed in claim 10, wherein this extension assembly is included in the groove of handle, and can pull out under automatic mode.
12. switching device as claimed in claim 10, wherein this extension assembly folds, and can pull out under manual mode.
13. switching device as claimed in claim 1 also comprises the pinning assembly, it can be lockable and forbid that operating grip rotates under automatic mode in circular recess when handle correspondence ad-hoc location.
14. switching device as claimed in claim 13, wherein operating grip also comprises the extension assembly that is used under manual mode increasing moment of torsion, and this lock-bit assembly can be lockable and prevent to use extension assembly.
15. switching device as claimed in claim 1 also comprises the cut-out switch, it cuts off the supply of electric power to motor under manual mode.
16. the switching device that can operate under automatic mode and manual mode comprises:
Frame,
The manual operation unit,
Automatic operating unit,
Switching mechanism,
Wherein, engage with switching mechanism at the automatic operating unit of automatic mode and be used to drive this switching mechanism; And under manual mode manually operating unit engages with switching mechanism and is used to drive this switching mechanism, and automatic operating unit and switching mechanism disengaging.
17. switching device as claimed in claim 16, wherein operating unit comprises clutch gear automatically, and described clutch gear is operable as relative switching mechanism and changes the position.
18. switching device as claimed in claim 16, wherein switching mechanism comprises switch gear, and described switch gear is operable as automatic relatively operating unit and changes the position.
19. switching device as claimed in claim 16, wherein manual operation unit and automatic operating unit are configured to and make do not have to interfere between the motions of Unit two.
CN2005100927672A 2005-08-23 2005-08-23 Switching device Active CN1921043B (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
CN2005100927672A CN1921043B (en) 2005-08-23 2005-08-23 Switching device
PCT/EP2006/006005 WO2007022820A1 (en) 2005-08-23 2006-06-22 Switching apparatus
US11/988,877 US7838786B2 (en) 2005-08-23 2006-06-22 Switching apparatus
BRPI0614877-8A BRPI0614877B1 (en) 2005-08-23 2006-06-22 SWITCHING APPLIANCE
EP06762137A EP1917669B1 (en) 2005-08-23 2006-06-22 Switching apparatus
KR1020087003492A KR100965447B1 (en) 2005-08-23 2006-06-22 Switching apparatus
AT06762137T ATE519210T1 (en) 2005-08-23 2006-06-22 SWITCHING DEVICE
JP2008527322A JP4980352B2 (en) 2005-08-23 2006-06-22 Switching device
MX2008000854A MX2008000854A (en) 2005-08-23 2006-06-22 Switching apparatus.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2005100927672A CN1921043B (en) 2005-08-23 2005-08-23 Switching device

Publications (2)

Publication Number Publication Date
CN1921043A true CN1921043A (en) 2007-02-28
CN1921043B CN1921043B (en) 2012-05-23

Family

ID=36999999

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2005100927672A Active CN1921043B (en) 2005-08-23 2005-08-23 Switching device

Country Status (9)

Country Link
US (1) US7838786B2 (en)
EP (1) EP1917669B1 (en)
JP (1) JP4980352B2 (en)
KR (1) KR100965447B1 (en)
CN (1) CN1921043B (en)
AT (1) ATE519210T1 (en)
BR (1) BRPI0614877B1 (en)
MX (1) MX2008000854A (en)
WO (1) WO2007022820A1 (en)

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CN105895400A (en) * 2016-06-24 2016-08-24 国家电网公司 Electric operation module of direct-acting three-position disconnector and application method thereof
CN106158456A (en) * 2016-08-30 2016-11-23 浙江万松电气有限公司 Automatic change-over electric appliance with duplicate

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CN101916679B (en) * 2010-08-05 2012-08-08 施耐德万高（天津）电气设备有限公司 Switching device for automatically-switching switching apparatus
CN102881505B (en) * 2012-10-07 2015-01-14 成都中工电气工程有限公司 Rail transit grounding device
CN103021696B (en) * 2012-12-05 2014-08-20 施耐德万高（天津）电气设备有限公司 Automatic change-over switching device
CN105428109A (en) * 2015-12-29 2016-03-23 施耐德万高（天津）电气设备有限公司 Two-position change-over switch
CN105428099B (en) * 2015-12-29 2017-07-25 施耐德万高（天津）电气设备有限公司 High dynamic stability device for switching
CN207474320U (en) * 2017-11-13 2018-06-08 施耐德电器工业公司 Clutch and the double power supply automatic transfer switch including the clutch
CN109256287A (en) * 2018-10-25 2019-01-22 乐清市法美电气有限公司 A kind of mechanical interlocked disengaging type driving mechanism for automatic transfer switching electric appliance

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Publication number Priority date Publication date Assignee Title
CN105895400A (en) * 2016-06-24 2016-08-24 国家电网公司 Electric operation module of direct-acting three-position disconnector and application method thereof
CN106158456A (en) * 2016-08-30 2016-11-23 浙江万松电气有限公司 Automatic change-over electric appliance with duplicate
CN106158456B (en) * 2016-08-30 2018-02-02 浙江万松电气有限公司 Automatic change-over electric appliance with duplicate

Also Published As

Publication number Publication date
CN1921043B (en) 2012-05-23
EP1917669A1 (en) 2008-05-07
JP2009506413A (en) 2009-02-12
EP1917669B1 (en) 2011-08-03
US20090266693A1 (en) 2009-10-29
BRPI0614877B1 (en) 2018-02-06
KR100965447B1 (en) 2010-06-24
US7838786B2 (en) 2010-11-23
WO2007022820A1 (en) 2007-03-01
ATE519210T1 (en) 2011-08-15
KR20080040707A (en) 2008-05-08
MX2008000854A (en) 2008-03-26
JP4980352B2 (en) 2012-07-18
BRPI0614877A2 (en) 2011-04-19

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